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You are here: Home / Archives for 4017 IC Circuits

LED Oscilloscope Circuit

Last Updated on February 23, 2022 by Swagatam 10 Comments

The simple LED oscilloscope circuit explained in this article can be used for analyzing low frequency waveform through a 10 x 10 LED matrix display. Due to the involvement of […]

Filed Under: 4017 IC Circuits, LED and Light Effect, LM3915 IC, Meters and Testers

Password Lock Circuit Using IC 4017

Last Updated on January 5, 2022 by Swagatam 12 Comments

In this post we are going to construct a general purpose password based electronic lock circuit without any involvement of microcontroller. You can use this circuit for numerous applications where […]



Filed Under: 4017 IC Circuits, Security and Alarm

LED Star Circuit

Last Updated on January 11, 2022 by Swagatam 3 Comments

This circuit can be used like a tree ornament, however the LED star circuit explained here has a variation; it’s completely electronic and it provides the impression of an exploding […]

Filed Under: 4017 IC Circuits, LED and Light Effect

Simple IC 4017 Circuits

Last Updated on January 27, 2023 by Swagatam 2 Comments

The IC 4017 is a versatile counter divider IC which can be applied for making many different interesting electronic circuits. In this post we will learn about a few useful […]

Filed Under: 4017 IC Circuits

Converting Wasted Spark Ignition to Sequential Spark, for High Efficiency Combustion

Last Updated on November 8, 2021 by Swagatam 35 Comments

The post explains a simple method of converting a wasted spark type ignition system in an automobile, into an enhanced, sequential spark, 6 cylinder engine type ignition system. The idea […]

Filed Under: 4017 IC Circuits, Car and Motorcycle

Touch Dimmable LED Light Bar Circuit

Last Updated on January 23, 2020 by Swagatam 25 Comments

This LED light bar with dimmable feature will allow the user to adjust the brightness of the lamp in 4 steps, with100%, 50%, 10% and 0% illumination control at each […]

Filed Under: 4017 IC Circuits, LED and Light Effect

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